<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <script src="js/howler.min.js"></script>
</head>
<body>
<div id="main" style="width: 600px;height:400px;"></div>
<script type="text/javascript">
    var sound = new Howl({
        src: ['mp3/pingfanzhilu.mp3'],
        autoplay: true,
        loop: true,
        preload: true,
    });
    sound.once("load", function() {
        sound.play();
    });
    // sound.play();
</script>
</body>
</html>